CSecurityFilter::formatHiddenFields

static function formatHiddenFields(array $array, $prefix = null)
{
	$result = "";
	foreach($array as $key => $value)
	{
		if($prefix !== null)
			$key = $prefix."[".$key."]";

		if(is_array($value))
		{
			$result .= self::formatHiddenFields($value, $key);
		}
		else
		{
			$result .= "rn";
		}
	}

	return $result;
}